diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2023-03-29 20:24:33 +0300 |
|---|---|---|
| committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2023-04-04 01:04:07 +0300 |
| commit | 605f7c73133341d4b762cbd9a22174cc22d4c38b (patch) | |
| tree | 45c4eabd39533b3b20a2eeda222f45b5b9dd859e /drivers/gpu/drm/i915 | |
| parent | 4ed22f1e52426635873416007d2c12e09615165f (diff) | |
| download | linux-605f7c73133341d4b762cbd9a22174cc22d4c38b.tar.xz | |
drm/i915: Fix fast wake AUX sync len
Fast wake should use 8 SYNC pulses for the preamble
and 10-16 SYNC pulses for the precharge. Reduce our
fast wake SYNC count to match the maximum value.
We also use the maximum precharge length for normal
AUX transactions.
Cc: Jouni Högander <jouni.hogander@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230329172434.18744-1-ville.syrjala@linux.intel.com
Reviewed-by: Jouni Högander <jouni.hogander@intel.com>
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dp_aux.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_dp_aux.c b/drivers/gpu/drm/i915/display/intel_dp_aux.c index fbdca7bd725d..fa1fbac6f543 100644 --- a/drivers/gpu/drm/i915/display/intel_dp_aux.c +++ b/drivers/gpu/drm/i915/display/intel_dp_aux.c @@ -165,7 +165,7 @@ static u32 skl_get_aux_send_ctl(struct intel_dp *intel_dp, DP_AUX_CH_CTL_TIME_OUT_MAX | DP_AUX_CH_CTL_RECEIVE_ERROR | (send_bytes << DP_AUX_CH_CTL_MESSAGE_SIZE_SHIFT) | - DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(32) | + DP_AUX_CH_CTL_FW_SYNC_PULSE_SKL(24) | DP_AUX_CH_CTL_SYNC_PULSE_SKL(32); if (intel_tc_port_in_tbt_alt_mode(dig_port)) |